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New View of Comet Formation Forged in Study of Tiny Particle

New View of Comet Formation Forged in Study of Tiny Particle
This image of comet Wild 2 shows one hemisphere in sunlight and the other in shadow, like a view of the quarter Moon. Several large depressed regions can be seen. The comet is about 3.1 miles (5 kilometers) in diameter.
(Image: © NASA/JPL/Stardust)

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